376 lines
16 KiB
C#
376 lines
16 KiB
C#
using System;
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using System.Runtime.CompilerServices;
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using BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Utilities;
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using Cpp2IlInjected;
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namespace BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines
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{
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// Token: 0x02001C84 RID: 7300
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[Token(Token = "0x2001C84")]
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public sealed class BlowfishEngine : IBlockCipher
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{
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// Token: 0x0600B6F2 RID: 46834 RVA: 0x00283C70 File Offset: 0x00281E70
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[Token(Token = "0x600B6F2")]
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[Address(RVA = "0x1A69EB0", Offset = "0x1A68CB0", VA = "0x181A69EB0")]
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public BlowfishEngine()
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{
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this.Reset();
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uint[] array = new uint[BlowfishEngine.SBOX_SK];
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this.S0 = array;
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uint[] array2 = new uint[BlowfishEngine.SBOX_SK];
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this.S1 = array2;
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uint[] array3 = new uint[BlowfishEngine.SBOX_SK];
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this.S2 = array3;
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uint[] array4 = new uint[BlowfishEngine.SBOX_SK];
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this.S3 = array4;
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uint[] array5 = new uint[BlowfishEngine.P_SZ];
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this.P = array5;
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}
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// Token: 0x0600B6F3 RID: 46835 RVA: 0x00283CE0 File Offset: 0x00281EE0
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[Token(Token = "0x600B6F3")]
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[Address(RVA = "0x1A69400", Offset = "0x1A68200", VA = "0x181A69400", Slot = "5")]
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public void Init(bool forEncryption, ICipherParameters parameters)
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{
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/*
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An exception occurred when decompiling this method (0600B6F3)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Void BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.BlowfishEngine::Init(System.Boolean,BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.ICipherParameters)
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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IL_2C:
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stloc:ArgumentException(var_5_3D, newobj:ArgumentException(ArgumentException::.ctor, call:string(string::Concat, ldstr:string("invalid parameter passed to Blowfish init - "), ldloc:string(var_4))))
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}
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
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--- End of inner exception stack trace ---
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
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at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
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*/;
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}
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// Token: 0x17001CBA RID: 7354
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// (get) Token: 0x0600B6F4 RID: 46836 RVA: 0x00283D2C File Offset: 0x00281F2C
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[Token(Token = "0x17001CBA")]
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public string AlgorithmName
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{
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[Token(Token = "0x600B6F4")]
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[Address(RVA = "0x1A69FB0", Offset = "0x1A68DB0", VA = "0x181A69FB0", Slot = "4")]
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get
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{
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return "Blowfish";
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}
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}
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// Token: 0x17001CBB RID: 7355
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// (get) Token: 0x0600B6F5 RID: 46837 RVA: 0x00283D40 File Offset: 0x00281F40
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[Token(Token = "0x17001CBB")]
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public bool IsPartialBlockOkay
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{
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[Token(Token = "0x600B6F5")]
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[Address(RVA = "0x403930", Offset = "0x402730", VA = "0x180403930", Slot = "7")]
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get
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{
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}
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}
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// Token: 0x0600B6F6 RID: 46838 RVA: 0x00283D50 File Offset: 0x00281F50
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[Token(Token = "0x600B6F6")]
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[Address(RVA = "0x1A695A0", Offset = "0x1A683A0", VA = "0x181A695A0", Slot = "8")]
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public int ProcessBlock(byte[] input, int inOff, byte[] output, int outOff)
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{
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/*
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An exception occurred when decompiling this method (0600B6F6)
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ICSharpCode.Decompiler.DecompilerException: Error decompiling System.Int32 BestHTTP.SecureProtocol.Org.BouncyCastle.Crypto.Engines.BlowfishEngine::ProcessBlock(System.Byte[],System.Int32,System.Byte[],System.Int32)
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---> System.Exception: Basic block has to end with unconditional control flow.
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{
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IL_25:
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stloc:InvalidOperationException(var_1_2F, newobj:InvalidOperationException(InvalidOperationException::.ctor, ldstr:string("Blowfish not initialised")))
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}
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1852
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1878
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.FlattenBasicBlocks(ILNode node) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 1846
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at ICSharpCode.Decompiler.ILAst.ILAstOptimizer.Optimize(DecompilerContext context, ILBlock method, AutoPropertyProvider autoPropertyProvider, StateMachineKind& stateMachineKind, MethodDef& inlinedMethod, AsyncMethodDebugInfo& asyncInfo, ILAstOptimizationStep abortBeforeStep) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\ILAst\ILAstOptimizer.cs:line 355
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(IEnumerable`1 parameters, MethodDebugInfoBuilder& builder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 123
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 88
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--- End of inner exception stack trace ---
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at ICSharpCode.Decompiler.Ast.AstMethodBodyBuilder.CreateMethodBody(MethodDef methodDef, DecompilerContext context, AutoPropertyProvider autoPropertyProvider, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, StringBuilder sb, MethodDebugInfoBuilder& stmtsBuilder) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstMethodBodyBuilder.cs:line 92
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at ICSharpCode.Decompiler.Ast.AstBuilder.AddMethodBody(EntityDeclaration methodNode, EntityDeclaration& updatedNode, MethodDef method, IEnumerable`1 parameters, Boolean valueParameterIsKeyword, MethodKind methodKind) in D:\a\dnSpy\dnSpy\Extensions\ILSpy.Decompiler\ICSharpCode.Decompiler\ICSharpCode.Decompiler\Ast\AstBuilder.cs:line 1663
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*/;
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}
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// Token: 0x0600B6F7 RID: 46839 RVA: 0x0000220F File Offset: 0x0000040F
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[Token(Token = "0x600B6F7")]
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[Address(RVA = "0x402080", Offset = "0x400E80", VA = "0x180402080", Slot = "9")]
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public void Reset()
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{
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throw new AnalysisFailedException("CPP2IL failed to recover any usable IL for this method.");
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}
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// Token: 0x0600B6F8 RID: 46840 RVA: 0x00283D8C File Offset: 0x00281F8C
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[Token(Token = "0x600B6F8")]
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[Address(RVA = "0x4101D0", Offset = "0x40EFD0", VA = "0x1804101D0", Slot = "6")]
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public int GetBlockSize()
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{
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return 8;
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}
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// Token: 0x0600B6F9 RID: 46841 RVA: 0x00283D9C File Offset: 0x00281F9C
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[Token(Token = "0x600B6F9")]
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[Address(RVA = "0x1A69340", Offset = "0x1A68140", VA = "0x181A69340")]
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private uint F(uint x)
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{
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uint[] s = this.S0;
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uint[] s2 = this.S1;
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uint[] s3 = this.S2;
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uint[] s4 = this.S3;
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return x;
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}
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// Token: 0x0600B6FA RID: 46842 RVA: 0x00283DCC File Offset: 0x00281FCC
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[Token(Token = "0x600B6FA")]
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[Address(RVA = "0x1A696A0", Offset = "0x1A684A0", VA = "0x181A696A0")]
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private void ProcessTable(uint xl, uint xr, uint[] table)
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{
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int length = table.Length;
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int num = 0;
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if (length > 0)
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{
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uint[] p = this.P;
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uint num2 = this.F(xl);
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uint[] p2 = this.P;
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uint num3 = this.F(xl);
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uint[] p3 = this.P;
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uint num5;
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uint num4 = num5 + 1U;
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uint num6 = p3[(int)num4];
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num5 += (uint)2;
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uint[] p4 = this.P;
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num3 += (uint)1;
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uint num7 = p4[(int)num3];
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table[0] = num7;
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table[0] = xl;
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num += 2;
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}
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}
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// Token: 0x0600B6FB RID: 46843 RVA: 0x00283E60 File Offset: 0x00282060
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[Token(Token = "0x600B6FB")]
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[Address(RVA = "0x1A698E0", Offset = "0x1A686E0", VA = "0x181A698E0")]
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private void SetKey(byte[] key)
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{
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int num = 0;
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uint[] s = this.S0;
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int num2 = 0;
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int num3 = 0;
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int sbox_SK = BlowfishEngine.SBOX_SK;
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Array.Copy(BlowfishEngine.KS0, num3, s, num2, sbox_SK);
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int num4 = 0;
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uint[] s2 = this.S1;
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int num5 = 0;
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int sbox_SK2 = BlowfishEngine.SBOX_SK;
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Array.Copy(BlowfishEngine.KS1, num5, s2, num4, sbox_SK2);
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int num6 = 0;
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uint[] s3 = this.S2;
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int num7 = 0;
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int sbox_SK3 = BlowfishEngine.SBOX_SK;
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Array.Copy(BlowfishEngine.KS2, num7, s3, num6, sbox_SK3);
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int num8 = 0;
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uint[] s4 = this.S3;
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int num9 = 0;
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int sbox_SK4 = BlowfishEngine.SBOX_SK;
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Array.Copy(BlowfishEngine.KS3, num9, s4, num8, sbox_SK4);
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int num10 = 0;
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uint[] p = this.P;
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int num11 = 0;
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int p_SZ = BlowfishEngine.P_SZ;
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Array.Copy(BlowfishEngine.KP, num11, p, num10, p_SZ);
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int length = key.Length;
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int length2 = key.Length;
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num++;
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uint[] p2 = this.P;
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num++;
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uint[] p3 = this.P;
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int num12 = 0;
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int num13 = 0;
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this.ProcessTable((uint)num13, (uint)num12, p3);
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uint[] p4 = this.P;
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int p_SZ2 = BlowfishEngine.P_SZ;
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uint num14 = this.P[p_SZ2];
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uint[] s5 = this.S0;
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uint num15;
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this.ProcessTable(num15, num14, s5);
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uint[] s6 = this.S0;
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int sbox_SK5 = BlowfishEngine.SBOX_SK;
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int length3 = s6.Length;
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uint num16 = s6[(int)num14];
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uint num17 = s6[sbox_SK5];
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uint[] s7 = this.S1;
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this.ProcessTable(num16, num17, s7);
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uint[] s8 = this.S1;
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int sbox_SK6 = BlowfishEngine.SBOX_SK;
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int length4 = s8.Length;
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uint num18 = s8[(int)num17];
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uint num19 = s8[sbox_SK6];
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uint[] s9 = this.S2;
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this.ProcessTable(num18, num19, s9);
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uint[] s10 = this.S2;
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int sbox_SK7 = BlowfishEngine.SBOX_SK;
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int length5 = s10.Length;
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uint num20 = s10[(int)num19];
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uint num21 = s10[sbox_SK7];
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uint[] s11 = this.S3;
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this.ProcessTable(num20, num21, s11);
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}
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// Token: 0x0600B6FC RID: 46844 RVA: 0x00284064 File Offset: 0x00282264
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[Token(Token = "0x600B6FC")]
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[Address(RVA = "0x1A69160", Offset = "0x1A67F60", VA = "0x181A69160")]
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private void EncryptBlock(byte[] src, int srcIndex, byte[] dst, int dstIndex)
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{
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uint num = Pack.BE_To_UInt32(src, srcIndex);
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uint num2 = Pack.BE_To_UInt32(src, srcIndex);
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uint[] p = this.P;
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uint num3 = this.F(num);
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uint[] p2 = this.P;
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num = num2;
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uint num4 = this.F(num);
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uint[] p3 = this.P;
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uint num6;
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uint num5 = num6 + 1U;
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uint num7 = p3[(int)num5];
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num6 += (uint)2;
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uint[] p4 = this.P;
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num4 += (uint)1;
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uint num8 = p4[(int)num4];
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}
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// Token: 0x0600B6FD RID: 46845 RVA: 0x002840E8 File Offset: 0x002822E8
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[Token(Token = "0x600B6FD")]
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[Address(RVA = "0x1A68FA0", Offset = "0x1A67DA0", VA = "0x181A68FA0")]
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private void DecryptBlock(byte[] src, int srcIndex, byte[] dst, int dstIndex)
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{
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uint num = Pack.BE_To_UInt32(src, srcIndex);
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uint num2 = Pack.BE_To_UInt32(src, srcIndex);
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uint[] p = this.P;
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int rounds = BlowfishEngine.ROUNDS;
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int num3 = rounds + 1;
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if (rounds > 0)
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{
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uint num4 = this.F(num);
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uint[] p2 = this.P;
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num = num2;
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uint num5 = this.F(num);
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uint[] p3 = this.P;
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int num6 = rounds - 1;
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}
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uint num7 = this.P[0];
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}
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// Token: 0x0600B6FE RID: 46846 RVA: 0x0028415C File Offset: 0x0028235C
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// Note: this type is marked as 'beforefieldinit'.
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[Token(Token = "0x600B6FE")]
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[Address(RVA = "0x1A69D30", Offset = "0x1A68B30", VA = "0x181A69D30")]
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static BlowfishEngine()
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{
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uint[] array = new uint[18];
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RuntimeHelpers.InitializeArray(array, fieldof(<PrivateImplementationDetails>.643A9D76937E94519B73BE072D65E79BAFF3C213).FieldHandle);
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BlowfishEngine.KP = array;
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uint[] array2 = new uint[256];
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RuntimeHelpers.InitializeArray(array2, fieldof(<PrivateImplementationDetails>.E117A40BF9A3AE32474AD7B22EB4C60E95D3BE2A).FieldHandle);
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BlowfishEngine.KS0 = array2;
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uint[] array3 = new uint[256];
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RuntimeHelpers.InitializeArray(array3, fieldof(<PrivateImplementationDetails>.6F576E8737EAAC9B6B12BDFC370048CD205E2CDD).FieldHandle);
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BlowfishEngine.KS1 = array3;
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uint[] array4 = new uint[256];
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RuntimeHelpers.InitializeArray(array4, fieldof(<PrivateImplementationDetails>.E2F8F75B7ABE5A6E4ECF5E32B935909BE2CC9F4B).FieldHandle);
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BlowfishEngine.KS2 = array4;
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uint[] array5 = new uint[256];
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RuntimeHelpers.InitializeArray(array5, fieldof(<PrivateImplementationDetails>.1C1237F52E2ED7B4D229AE3978DA144B9E653F5E).FieldHandle);
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BlowfishEngine.KS3 = array5;
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int num = BlowfishEngine.ROUNDS;
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num += 2;
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BlowfishEngine.P_SZ = num;
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}
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// Token: 0x04007403 RID: 29699
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[Token(Token = "0x4007403")]
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private static readonly uint[] KP;
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// Token: 0x04007404 RID: 29700
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[Token(Token = "0x4007404")]
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private static readonly uint[] KS0;
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// Token: 0x04007405 RID: 29701
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[Token(Token = "0x4007405")]
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private static readonly uint[] KS1;
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// Token: 0x04007406 RID: 29702
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[Token(Token = "0x4007406")]
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private static readonly uint[] KS2;
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// Token: 0x04007407 RID: 29703
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[Token(Token = "0x4007407")]
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private static readonly uint[] KS3;
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// Token: 0x04007408 RID: 29704
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[Token(Token = "0x4007408")]
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private static readonly int ROUNDS;
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// Token: 0x04007409 RID: 29705
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[Token(Token = "0x4007409")]
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private const int BLOCK_SIZE = 8;
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// Token: 0x0400740A RID: 29706
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[Token(Token = "0x400740A")]
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private static readonly int SBOX_SK;
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// Token: 0x0400740B RID: 29707
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[Token(Token = "0x400740B")]
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private static readonly int P_SZ;
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// Token: 0x0400740C RID: 29708
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[FieldOffset(Offset = "0x10")]
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[Token(Token = "0x400740C")]
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private readonly uint[] S0;
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// Token: 0x0400740D RID: 29709
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[FieldOffset(Offset = "0x18")]
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[Token(Token = "0x400740D")]
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private readonly uint[] S1;
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// Token: 0x0400740E RID: 29710
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[FieldOffset(Offset = "0x20")]
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[Token(Token = "0x400740E")]
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private readonly uint[] S2;
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// Token: 0x0400740F RID: 29711
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[FieldOffset(Offset = "0x28")]
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[Token(Token = "0x400740F")]
|
|
private readonly uint[] S3;
|
|
|
|
// Token: 0x04007410 RID: 29712
|
|
[FieldOffset(Offset = "0x30")]
|
|
[Token(Token = "0x4007410")]
|
|
private readonly uint[] P;
|
|
|
|
// Token: 0x04007411 RID: 29713
|
|
[FieldOffset(Offset = "0x38")]
|
|
[Token(Token = "0x4007411")]
|
|
private bool encrypting;
|
|
|
|
// Token: 0x04007412 RID: 29714
|
|
[FieldOffset(Offset = "0x40")]
|
|
[Token(Token = "0x4007412")]
|
|
private byte[] workingKey;
|
|
}
|
|
}
|